JPS6326572B2 - - Google Patents

Info

Publication number
JPS6326572B2
JPS6326572B2 JP54158238A JP15823879A JPS6326572B2 JP S6326572 B2 JPS6326572 B2 JP S6326572B2 JP 54158238 A JP54158238 A JP 54158238A JP 15823879 A JP15823879 A JP 15823879A JP S6326572 B2 JPS6326572 B2 JP S6326572B2
Authority
JP
Japan
Prior art keywords
sequence
signal
phase
output
carrier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP54158238A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5586230A (en
Inventor
Bigo Fuaruman
Kyaron Furansoa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of JPS5586230A publication Critical patent/JPS5586230A/ja
Publication of JPS6326572B2 publication Critical patent/JPS6326572B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03038—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/10—Arrangements for initial synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/027—Speed or phase control by the received code signals, the signals containing no special synchronisation information extracting the synchronising or clock signal from the received signal spectrum, e.g. by using a resonant or bandpass circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/043—Pseudo-noise [PN] codes variable during transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/046—Speed or phase control by synchronisation signals using special codes as synchronising signal using a dotting sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP15823879A 1978-12-20 1979-12-07 Method of starting and detecting sequence of data transmission system Granted JPS5586230A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7836580A FR2445079A1 (fr) 1978-12-20 1978-12-20 Procede et dispositif pour detecter une sequence pseudo-aleatoire de changements de phase de 0o et 180o de la porteuse dans un recepteur de donnees

Publications (2)

Publication Number Publication Date
JPS5586230A JPS5586230A (en) 1980-06-28
JPS6326572B2 true JPS6326572B2 (fr) 1988-05-30

Family

ID=9216613

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15823879A Granted JPS5586230A (en) 1978-12-20 1979-12-07 Method of starting and detecting sequence of data transmission system

Country Status (5)

Country Link
US (1) US4262360A (fr)
EP (1) EP0013343B1 (fr)
JP (1) JPS5586230A (fr)
DE (1) DE2962649D1 (fr)
FR (1) FR2445079A1 (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2496363A1 (fr) * 1980-12-12 1982-06-18 Cit Alcatel Procede et dispositif de detection de la sequence d'apprentissage d'un egaliseur auto-adaptatif
EP0080544B1 (fr) * 1981-11-30 1986-03-19 International Business Machines Corporation Procédé de réception d'un signal de données en modulation à double bande latérale-porteuses en quadrature
US4606048A (en) * 1983-04-06 1986-08-12 Fujitsu Limited Radio communication system
EP0238100A3 (fr) * 1983-09-21 1987-12-09 Trw Inc. Technique d'acquisition de signaux pour un modulateur-démodulateur
EP0184923B1 (fr) * 1984-12-10 1992-03-04 Nippon Telegraph And Telephone Corporation Système de communication à bande latérale unique
US4769816A (en) * 1985-11-08 1988-09-06 Raytheon Company Qpsk demodulator
US4773083A (en) * 1985-11-08 1988-09-20 Raytheon Company QPSK demodulator
US4745625A (en) * 1986-03-12 1988-05-17 Codex Corporation Transition detector
FR2606238B1 (fr) * 1986-10-31 1988-12-09 Trt Telecom Radio Electr Boucle a verrouillage de phase entierement numerique
DE3700457C1 (de) * 1987-01-09 1988-06-23 Ant Nachrichtentech Verfahren und Anordnung zur Synchronisation eines Empfaengers bei digitalen UEbertragungssystemen
GB8721159D0 (en) * 1987-09-09 1987-10-14 Philips Nv Adjusting filter coefficients
US4931250A (en) * 1988-05-12 1990-06-05 Codex Corporation Multimode modem
FR2643765A1 (fr) * 1989-02-27 1990-08-31 Meuriche Bernard Dispositif de decomposition a cadence d'echantillonnage optimale d'un signal a bande passante en ses composantes sur deux porteuses en quadrature
US5067140A (en) * 1989-08-16 1991-11-19 Titan Linkabit Corporation Conversion of analog signal into i and q digital signals with enhanced image rejection
JPH03258147A (ja) * 1990-03-08 1991-11-18 Matsushita Electric Ind Co Ltd 非同期直交復調器
IT1259013B (it) * 1992-07-27 1996-03-11 Alcatel Italia Sistema demodulatore completamente digitale per segnalazioni qam in collegamenti di piccola capacita'
US5504785A (en) * 1993-05-28 1996-04-02 Tv/Com Technologies, Inc. Digital receiver for variable symbol rate communications
KR100929081B1 (ko) * 2002-09-10 2009-11-30 삼성전자주식회사 이동단말에서 파일롯 신호의 의사잡음 시퀀스 위상을 추적하기 위한 장치 및 방법
GB2444307A (en) * 2006-12-01 2008-06-04 Plextek Ltd Extracting timing data from a two part preamble, the second part of the preamble being the inverse of the first part.
US8401402B2 (en) * 2009-03-10 2013-03-19 Tyco Electronics Subsea Communications Llc Detection of data in signals with data pattern dependent signal distortion
US8306418B2 (en) * 2009-03-10 2012-11-06 Tyco Electronics Subsea Communications Llc Data pattern dependent distortion compensation in a coherent optical signal receiver
US8295713B2 (en) * 2009-03-10 2012-10-23 Tyco Electronics Subsea Communications Llc Dual stage carrier phase estimation in a coherent optical signal receiver
US8401400B2 (en) * 2009-03-10 2013-03-19 Tyco Electronics Subsea Communications Llc Detection of data in signals with data pattern dependent signal distortion
CN112913159B (zh) 2018-10-26 2022-06-10 华为技术有限公司 用于多输入多输出系统的远端射频单元和中央单元

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1381314A (fr) * 1963-08-23 1964-12-14 Telecomm Radioelectriques & Te Procédés de synchronisation pour transmettre des signaux digitaux à travers des dispositifs de transmission non synchrone
US3443229A (en) * 1966-04-13 1969-05-06 Bell Telephone Labor Inc Quadrature-carrier vestigial-sideband data transmission
US4004237A (en) * 1970-05-01 1977-01-18 Harris Corporation System for communication and navigation
GB1521029A (en) * 1975-09-19 1978-08-09 Post Office Synchronous digital systems
NL7605275A (nl) * 1976-05-18 1977-11-22 Philips Nv Data-ontvanger met synchroniseer-reeks-detec- tieketen.

Also Published As

Publication number Publication date
DE2962649D1 (en) 1982-06-09
JPS5586230A (en) 1980-06-28
EP0013343B1 (fr) 1982-04-28
FR2445079A1 (fr) 1980-07-18
FR2445079B1 (fr) 1981-09-11
EP0013343A1 (fr) 1980-07-23
US4262360A (en) 1981-04-14

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